Steel underframe for box-cars.



Ptnea AprJz, 1912.

kSHEETS-SEEET 1.

V. M. SUMMA. STEEL UNDERPRAME FOR BOX GARS. APPLIOATION FILED AUG. 28, 1908.

Witwe/goes V. M. SUMMA. I STEEL UNDBRPRAME FOR BOX GARS.

APPLICATION FILED AUG. 28, 1908..v

f Patented Apr.2`,191 2.

2 SHEETS-SHEET 2.

Wit/*Vianen I UNITED STATES PATENT oEEicE;

lVIG'IOIK. IVI. SUMMA, OF'ST. LOUIS, MISSOURI, ASSIGNOR T0 AMRICAN CAR AND' FOUNDRY GOMIANY, 0F ST. LOUIS, MISSOURI, A CORPORATION OF NEW JERSEY.

STEEL UNDERFRAME FOR IBOXfCARS.

lSpecification of Letters Patent.

' y Patented Apr. 2, 1912.

Application tiled August 28, 1908. Serial No. 450,724.

To all whom it may concern:

Be it known that I, Vieron M. Stumm, residing at St.` Louis, Missouri, and being a citizen of the United States, have invented certain new and useful Improvements in Steel Underframes for BOX-Cars, of which the following is a full, clear, and eXact description, such as will enable others skilled in the art to which it appertains to make a transverse sectional view on line 3 3 of Fig. 1, with the diagonal end sill brace removed, and at Athe right is an end view; Fig. 4 is at the left a transverse sectional viewon line 1-'11 and at the right a similar view on line ta-#ta of Fig. 1.

The object of the invention is to provide asimpl'e, light and strong steel underframe for railway cars which is especially adapted for use in box car construction, but which may be used 1n any and all classes of cars f v.where available.

5 5 stitute therefor/which will best answerthe ber.

Referring to the parts, A is a -central sill or supporting plate girder comprising the end portions-B and intermediate portions C both of which are preferably of plate girdei: construction. The intermediate portion of the said girdcr forms theA chief supporting member for the superstructure whether built in the form of a flat. car or a box'car, including all classes of 'cars whether intended for .freight or passenger service, and said girdcr or center sill is provided with flanged compression members 1 -which may be continuous or substantially continuous from end sill 2 to the corresponding end sill at the opposite end of the car, -it being understood thatpbut one-half of the underframe is illustrated, which may bei duplicated at the opposite end portion of the car. The compression member angles 1 or any Well known commercial sub- 1 'may .be formed of suitable flanged shapes as the particular necessities as-occasion arises, but it is understood that the compression member comprises two or more flanged shapesfbetween which there is .riveted the web plate 3 which is substantially continuous or of sutlicient arca to impart -tlie necessary` strength required in a girder of this character, said web terminating preferablyT in the intermediate portion of the central girder or sill near the holsters 4 which may be of any suitable type but which are shown ascomposed of two diaphragms 5 back to back on each side of the central sill member with top and bottomcover plates 6`-7 securedA to the outstanding flanges of said .diaphragms and ,a center casting 8 interposed for well understood purposes. The flanged tension member of my girder comprises two flangcd shapes which may be of any suitable form, though in this instance comprising twonngles 10 which are substalntially continuous from end sill to end sil As the central girder or sill is disposedv along thelongitudinal central line of the car it is convenient to spread the compression and tension members to form draft sills which are slightly separated and adapted to receive between them the usual draft appliances. Forthis purpose the said members diverge between the holsters and pass through the body holsters in parallel lines at a sufficient distance to permit the insertion of web plates 11 therebetween, said web plates with the flanged members 1-10 forming plate girder draft sills extending to the end sills. The center casting 8 difers in form from that usually employed in that the rear portion thereof is curved to better adapt it for use in connection with the peculiar form of draft sills just described. Intermediate the holsters.y cross bearers 12 are provided consisting of rolled or pressed channel 'shapes having their end portions rireted to the center sill and to the light side sills 13 by suitable angle plates 14. There are' also provided relatively truss shaped cross bearers comprising top and tively. the top member passing from the side sills over the center sill and the bottom member passing from below the Z-shaped side sills downwardly,through slots 17 cut in the web plate 3 of the center sill mem- Connected with said channels 15-16 transversely of the car and at each side of the central web plate 3 are pressed brackets 19 having vstraight upper edge portions with flanges 20 and 21 shaped to clear the compression and tension member of the center sill through Which flanges extend rivets 22 used to unite the'several parts, the flange 21 resting on the horizontal legs of the angles 10 as best shown at Fig. 4, the flanges 2O being riveted together with the sill web plate between them and the shouldered portions 24 resting under the outstanding langes of the compression niembers 1. Carried by the Z-shaped side sill members, which are supported by the ends of the holsters and the transverse members are the usual nailing strips, shown in dotted lines in Fig. 3.

lVhat is claimed as new is 1. A ear underrame comprising` holsters, a central longitudinal girder With flanged compression member, flanged tension member and vertieativeb plate teri'ninating between the bolsters, a transversely extending support-ing member composed of a plurality of parts one of which extends through the web plate of said center sill,

2. A car underframe comprising a central longitudinal girder with flanged compression member, flanged 'tension member and vertical web plate, transversely extending cross bearers comprising upper and are web plates 18 of channel form disposed lower channel members one of which passes through said gir-der, and reinforcing means connected with said girder in proximity to the member extending therethrough.

3. A car underframe comprising a. central longitudinal girder With flanged compression member, flanged tension member and vertical iveb plate, a cross bearer comprising upper and lower channel members one of which forms a. 'seat beyond the end of the other channel member,'the member forming the seat extendingthrough said central `girder.

4. A car underframe comprising bolsters, a. central longitudinal girder with flanged compression member, flanged tension member and vertical web plate terminating between the bolsters, said plate being deeper at its middle portion than near its ends, and a Cross bearer comprising a plurality of parts one of which passes through the Web of said central girder.

5. A car undert'rame comprising a, central longitudinal girderwith flanged compression member, flanged tension member and vertical Web plate, a. cross bearing member comprising tWo channels of unequal length one of which passes through the web of said girder and extends laterally beyond the end of its companion. member to form a seat.

6. A. ear underframe comprising a eent tral longitudinal girder with flanged compression member, flanged tension member andvertical web plate, said web plate being of less length than aid compression member, in combination `with` a cross bearer one member of which extends through said Web plate. l

7. A car undertrame comprising a central longitudinal girder with flanged compression inember, flanged tension member and vertical web plate, said compression member extending from end sill to end sill and diverging port-ions Within the bolsters to form separated draft sills.

8. A car undertrame comprising a central longitudinal gii'der with flanged com pression member, flanged tension member and vertical web plate, said Web plate being perforated below the compression member, transversely ext-ending channel members forming a cross bearer, one of said channel members passing through the perforation in the we plate and extending beyond its companion channel member.

9. A car underframe comprising` av oentral longitudinal girder with separately formed flanged compression member, tlanged tension member and vertical iveb plate, in combination with end sills, body holsters, said body bolsters being provided with an opening for the passage of diverging parts of said compression member, said diverging parts extending to the end sills, and a filler casting interposed between' the diverging portions ot said compression member and secured thereto and to said bolster.

l0. A car underframe comprising a eentral longitudinal girder With flanged compression member, flanged tension member and vertical Web plate, said Web plate being provided with vertical stillening'members and having a perforation therein between said stillicning members, in combination` with a cross bearer comprising a plurality of reversely disposed channels one of which is longer than the. other and the longer channel passing through said vertical Web plate. y

11. A car uuderframc comprising a central longitudinal girder With flanged compression member, flanged tension member and vertical web plate, in combination with end sills, flanged side sills of less depth than said central girder and extending to a higher plane than said cent-ral girder, cross bearers comprising a plurality of flanged members at least one of which extends under and is connected with said side sills, one oi said flanged members extending through ,said centralI girder and flanged brackets connected with both principal members of the cross bearer and with th; Web of said ccntral girder.

l2. A car underlrame comprising a centhrough said girder said brackets'being con'- ber an a lower member said upper member tral 'longitudinal girder with flanged com.- pression member, flanged tension member and vertical web plate, in combination wit-h brackets connected with said cent-ral girder 5 and projecting laterally therebeyond, and a cross bearer comprising a' plurality of flanged parts connected with said brackets, one of said flanged parts extending through a perforation in the central girder between said brackets.

13. Anv ,underframecomprising a. single central longitudinal girder having a vertical web plate and upper and lower flanges, transverse cross bearers comprising a plurality of parts one of which passes through the web plate of said central girder,'and brackets connected with the principal cross bearer members and with said central girder.

14. An underframe comprising a single longitudinal girder in t-he form of a plate girder having a vertical web plate and iiper and lower flanges, cross bearers comprising aplurality of parts one of whichy extends through the web plate of said girdenbrackets at each side of the member extending nected with the principal members of said cross bearer and with the web of said central. girder, and draft sills including extensions of salid upper flanges of the central. girder.- 15J A' car underframe comprising a central longitudinal plate girder having a flanged compression member and tension member, and a transversely extending supportin membercomprising an upper mem- .extendi'ng above said longitudinal girder .and said lower member extending through' said longitudinal girder.

40 16. In a car Underrame, a centrally dis-A posed supporting plate girder comprising compression members, and a web plate fixed r directly to said compression members, in

combination with holsters .formed each twith' an opening for the passage of said compression members, said compression members being separated from said web plate in proximity to said holsters, and said separated portion being extended through said bolsters. 17. `In a car underframe, a single built-up centrally disposed supporting plate girder comprising compression members, and a web plate fixed directly to said compression vmembers, in combination with bolsters r155 formed each .with an opening for the passage of saidcompression members, said compression members being spaced apart be- Aformed each with an opening for the passage of said compression members, said compression members being spaced apart beyondthe ends of said web plate, and said separated portions being extended through said bolsters and being `continued to form parts of draft sills.

19. In a car underframe, a central longi- 20. In a car construction, asingle center sill comprising compression members and.

Ytension members, said compression members being spaced apart for part of their length, and a separatelyformed web plate of less length than said compression members clamped between said compression members.

21. In a car construction, a single center sill comprising compression members andtension' members, said tension members being spaced apart for partof their length, and a separately formed web plate yof less length-than said stress members clamped be- 'tween said tension members.

22. In a car construction, a single center sill comprising compression members and tension members, said compression members being spaced apartlfor part of their length,

`said tension members being spaced apart for part Q f the length, and a separately formed web plate clainped'between said compression members and between said tension members.

23. In a car underframe, a centeisill, and a bolster filler casting having a curved wall adapted to fit parts of said center sill. Y

24. In a car underframe, a center sill, and a bolster filler casting having a curved wall .adapted to fit snugly between parts of said center sill.

25.V Ina car underframe, acenter sill coniprising a compression and a tension member, and a bolster filler having a curved wall adapted to fit between parts of said compression member. i

26. In a car undrframe, a center sill coinprising a compression and a tensionimem ber, and a bolster filler having a curved wall adapted to fit between-parts of said tension member.

27. In a 'car underframe, a center sill c'ornprising a compression and a tension memsaid holsters.

l vyloiid the ends of said web plate, and said ber, and a bolster filler having a curved wall `v `B'eparated portions being extended through and compression members.

18. In va carunderframe, a sin le built-'up 28. In a car underframe, the combination plat-e fixed directly to said compression 65 members,` 1in' combination` with bolsters with a-transverse member, of a longitudinal sill having curved vportions within said transverse member being fixed thereto.

y. 29.1In a car underframe, the combination nal sill having direi'ginglj) *web plate tor part oi their with a` transverse member, of a longitudinal sill having curved pdrtions within said transverse member, and a filler for said transverse member fitting snugly to -the curved portions of said sill.

30. ln a ca r umlerlirame, the combination with a transverse member, of a longitudieurred portions within said transverse men'iber.

3l. Yln a ear umlertrame, the combination with a transverse member, of a longitudinal sill having longitudinally diverging portions within said transverse member.

Si). ln a ar under-trame, the combination with a bolster, of a longitudinal sill haring curved portions within said bolster, and a bolster filler fitting snugly between the curved portions of said sill.

33. ln a car underframe, the eombination with a bolster, of a longitudinal sill having divergingly curved portions, and a` bolster filler fitting snuglyv between the curved portions of said sill.

In a ear underlramc, the combination with a bolster, ot a` center sill. comprising a web plate, a compression member, and a tension member, said stress members extending beyond said web plate and diverging within Said bolster, and a bolster liller fitted between the diverging portions of said stress members.

35. In a car underframe, the con'ibination with a bolster, oi a` center sill comprising a. web plate, a compression member extending beyond said web platenand diverging within said bolster, and a bolster filler fitted between the diverging portions of said oom pre` ion meniber. v

30. ear undertrame comprisinga central longitudinal girder with .tianged Compression nember, [langed tension member and Vertieal web plate, a cross bearer comprising upper and lower channel mcn'ibers one o't whieh terms a seat bevond the end oli' the other rhannel member, and one ot said Channels extemling through said central girder. l

37. .ln a ear etmstruetion, a single built-up center sill eomprising separately formed compression members and tension membersI and web plate, said con'xpression members being spaced from the plane ol said web plate Yi'or part et their length, said tension members being spaced from the plane of said web plate 'for part ol.' their length, and a bolster member connecting all ot said com pression and tension members together.

3S. ln a ear tarnstrm-tion, a single built-up Center sill eomnfising separatelv7 termed compression members and tension members and web plate, said compression members being spared from the plane ot said web plato for part olE their length, said tension members being spzued trom the plane ol said length, and a bolster member eonnecting'all of the spaeed portions of said compression andy tension members together.

35). ln a ear eonstruetion, a single built-np Center sill comprising separately formed eon'lpression members and tension members and web plate, said eompression members being spaced. from the plane of said web plate for part of their length, said tension .members being spaced from the plane .ot' said web plate for part koit their length, and a bolster eentcr `iiller Casting connecting all ot said Compression and tension members together.

il0. In a ear construction, a single built-up center sill comprising separately formed compression members and tension members' and web plate, said compression members being spaced from the plane of said web plate for part et their length, said tension members being spaced from the plane ot' said web plate for part ot their length, and a bolster center filler casting disposed between the spaced portions ot' said compression and tension mel'nbers and Connecting;` all ot said compression and tension members t' ther.

4l. ln a. ear construction, a single tenter sill comprising a plnralitg7 etf'eompressitr" members and tension members and aweb plate, and a bolster member connecting all ot said compression and tension members together beyond said web plate.

4Q. In a car underframe, the combination con'iprising bolsters, a single built up plate girder center sill between said bolsters, parts of said sill diverging and extending through the holsters, side sills, cross bearers adapted to aid in supporting said side sills and transmittiimr weight therefrom to said center sill and through said sill to the bolsters at each side of the center thereof, and a bolster tiller member between the diverging'portions olf' said center sill.

ln a ear nnderframe, the combination eonnarising holsters with an opening relatively at the middle thereof, a liller inv said bolster opening, a single center girder with a vertical web plate between said holsters, compression members forming parts oitl said center girders and extending through said bolster at each`side of said bolster filler, side sills and ay truss, a part of which passes through said web plate, adapted to aid in supporting said side sills.

4l. In a car nnderframe, the combination comprising bolsters with an opening relatively at the middle thereof, a filler 1n said bolster opening, a single center girder With a vertical web plate between said holsters,

compression members forming parts of said renter girder and extending through Said bolsterv at each side of said bolster filler, side sills, a cross bearer utilizing said Web plate as a strut and extending under said side sills to aid in supporting said side sills.

45. In a car underframe, the combination comprising bolsters, side sills, a single central plate girder sill with compression inembers extending beyond said bolsters, being supported at the bolsters, and cross men bers connected with and extending below said side sills and passing through said girder plate.

46. In a car underframe, the combination with a single' centrally disposed pla-te girder center sill ofa transverse truss supported upon and ut-ilizing the web of said center sill as a strut member.

47. In a car underframe, the combination comprisingbolsters, side sills, a centrally disposed plate girder sill with its compres sion members extending beyond the bolsters and a transverse truss lwith one member thereof extending under said side sills and through the web of said center sill.

48. In a plate girder monosill constructionfor use in car building, a centrally dis'- posed plate. girder sill with compression members, web plate and tension flanges,

holsters beyond which said compression members extend, a transverse truss one inember of which passes over,said comp-ressioii members and one member of which passes through said web plate. y

49. In a plate girder monosill construction for use in car building, a centrally disposed plate girder sill with 'compression members, web plate and tension flanges, bolsters beyond which said compression members extend, a transverse truss, one member of which passes over said sill, and the other memberexte'nds beyond the ends of the first mentioned member and under said compression members.`

50. In a plate gli-der monosill construction for use in car building, a centrally disposed plate girder sill with compression members, web plate and tension flanges, bolsters beyond which said compression members extend, 'a transverse truss comprising an upper member extending to side sills, a lower member extending below said side sills and said truss utilizing a` part only of tlie depth of said center sill as a vertical strut.

tion for use in car building, a centrally dis-v posed plate girder sillv with compression members, web plate and tension flanges, bol- ,necting alliof said draft sills together.

sters beyond which said compression members extend, means for supporting a side nailing strip, a transverse supporting truss therefor comprising an upper member secured-to the upper part of said center silll 53. In a plate girder monosill construe-- tion for use in c'ar building, a centrally dis-v posed plate `girder sill with compression members, web plate vand tension flanges, bolsters beyond which said compression members extend, means for supporting the longitudinally extending nailing strips, a trans- ,verse truss supported upon and transmitting its load to said platev girder sill one member of said truss extending under said supporting means and through the web plate of said center sill.'

54. In a plate girder monosill construction for use in car building, a centrally. disposed plate girder sill withA compression members, web plate and tension flanges, bolsters beyond which said compression members extend,` center filling members in said holsters separating ther extensions of said compression members, and a transverse truss, a strut member of which comprises the web plate, of said center sill.

55. In a railway car, holsters, end sills, and draft sills extending from said end sills through said bolsters between which bolsters said 4draft sills converge and are connected together, and inean's'clamped between the connected portions of saiddraft sills'con- 56. In a railway car, the combination coinprisingbolsters, end sills and transversely separated draft sills .between cachbolster and end sill, said draft sills conif'eiging between said bolsters and being connected together, and means clamped between the connected portions of said draft sills connect ing all of said draft sills together.

57. In a railway car the combination com prising bolsters, end sills and transversely separated draft sills between each bolster and end sill, said draft sills converging between said holsters and being connected together to form parts of a single center sill and a web plate clamped between the connected parts thereof.

58. In a railway car underframe, the combination comprising end sills, holsters with relatively central openings therethrough, relatively continuous draft sills .extending from end sill to end sill, filler members in between the Connected portions of said draft sills between the holsters hy through rivets.

In a railway ear nnderfralne, end sills, holsters provided with relatively central openings therethrough and illers in said openings, each having a semi-circular Wall, in combination with separated draft sills between said holsters and end sills, said draft sills extending` through the holsters at the sides of said fillers and having converging` portions fitting to the curved Walls of said holster ing;` the converging' parts of said dra ft sills.

GO. A ear nnderitranie Con'iprisingl :1 holster and a single plate girder center sill, said eenter sill comprising spaced eoinpresfillers, and means for connectsion and tension members and a weh plate connecting said members, said Web plate terminating shortI of the ends of said Conipression member and a channel shaped cross hearer extending through said Weh plate.

(il. In a car underfralne, the combination with holsters and a center sill formed with diverging portions Within said holsters, of a transverse supporting member between said holsters.

In witness whereof I have hereunto set in v hand in the presence of two Witnesses. VICTR M. SUIMA. vVilitnesses Fiennnnloii H. Gines, JoHN D. Snr-Lan. 

